DOSSIER · 13F Holders · Q2 2026

MADRIGAL PHARMACEUTICALS INC

5 institutions still hold MADRIGAL PHARMACEUTICALS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 558868905·5 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$86M
visible holders
Holders
5
filers reporting
Concentration
40.69%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported MADRIGAL PHARMACEUTICALS INC in Q2 2026. GROUP ONE TRADING LLC leads at 40.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
GROUP ONE TRADING LLC
CIK 0000932540
$35M66K0.05%Q2 2026
02
JPMORGAN CHASE & CO
CIK 0000019617
$21M40K0.00%Q2 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$17M32K0.00%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$13M25K0.01%Q2 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025